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Measurement of performance of solar panel - is determined from millivolt-meter connected to loaded photovoltaic cell
Measurement of performance of solar panel - is determined from millivolt-meter connected to loaded photovoltaic cell
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机译:太阳能电池板性能的测量-由连接至负载光伏电池的毫伏表确定
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摘要
The lighting energy received by a panel of photovoltaic cells is measured to determine the performance of solar panels. The cells used have a spectral sensitivity dose to that of the solar panel and the output is measured by a millivoltmeter with a liquid crystal readout. A photovoltaic cell (4) has a silicon NP plate whose output terminals (5, 6) are connected to several load resistors (7, 8) in parallel. The output is connected to a millivoltmeter (11) input terminals (9, 10) with automatic display provided by liq. crystal readouts. The meter is powered from a battery (12) via an on offswitch (17). A threshold circuit (18) enables the battery terminal voltage to be checked when a push button (19) is pressed. When the threshold is exceeded a lamp (20) is illuminated.
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